--- product_id: 594569208 title: "Auto LED Test Light, 5-30V Digital Display Fuse Tester, Heavy Duty Circuit Tester with Polarity Indicate, and Extended Spring Wire Car Repair Diagnostic Tool, Car Truck Low DC Voltage Light Tester" brand: "nalacal" price: "197 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/594569208-auto-led-test-light-5-30v-digital-display-fuse-tester store_origin: PL region: Poland --- # LED display 2-30V range 1.2m spring wire Auto LED Test Light, 5-30V Digital Display Fuse Tester, Heavy Duty Circuit Tester with Polarity Indicate, and Extended Spring Wire Car Repair Diagnostic Tool, Car Truck Low DC Voltage Light Tester **Brand:** nalacal **Price:** 197 zł **Availability:** ✅ In Stock ## Summary > 🔧 Power Up Your Diagnostics with Precision! ## Quick Answers - **What is this?** Auto LED Test Light, 5-30V Digital Display Fuse Tester, Heavy Duty Circuit Tester with Polarity Indicate, and Extended Spring Wire Car Repair Diagnostic Tool, Car Truck Low DC Voltage Light Tester by nalacal - **How much does it cost?** 197 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/594569208-auto-led-test-light-5-30v-digital-display-fuse-tester) ## Best For - nalacal enthusiasts ## Why This Product - Trusted nalacal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **🔄 Extended Reach:** 1.2m spring wire for flexibility in tight spaces. - • **🛡️ Safety First:** Integrated needle cover ensures user safety while testing. - • **🌟 Versatile Applications:** Perfect for automotive, household, and DIY electrical diagnostics. - • **🔍 Multi-Function Mastery:** Effortlessly diagnose circuits and components with precision. - • **📊 Real-Time Voltage Readings:** Stay informed with a clear LED display showing voltage and polarity. ## Overview The Auto LED Test Light is a heavy-duty circuit tester designed for automotive and electrical diagnostics. With a voltage range of 2-30V, it features an LED digital display for clear readings, an extended spring wire for convenience, and a protective cover for safety. Ideal for professionals and DIY enthusiasts alike, this tool ensures accurate testing of circuits, lights, and components. ## Description Auto LED Test Light, 5-30V Digital Display Fuse Tester, Heavy Duty Circuit Tester with Polarity Indicate, and Extended Spring Wire Car Repair Diagnostic Tool, Car Truck Low DC Voltage Light Tester ## Features - 🚗【Multi-function Test Light】Check if the circuit is powered on; Check whether various lights fail; electrical circuits and safety components in the car are live; Test line distinguishing positive and negative poles; Check the pulse signals of each component; Check if the real virtual electric string of the line is damaged during the construction of the railway; Check the real-time voltage of various circuits and electrical appliances. - 🚗【Widely Test Range】This automotive test light has a voltage test range of 2-30V, which is wider than most test lights on the market, and can effectively solve the problem of low voltage circuit monitoring. And it's perfect for checking all kinds of automotive circuit problems, such as automotive headlights, taillights, fuses, automotive batteries, circuit polarity, real-time voltage - 🚗【LED Digital Display and Auxiliary Lighting】Digital voltage circuit tester is equipped with LED digital display, it can display the voltage and positive and negative polarity, and voltage reading resolution of 0.1V, the digital reading is clearly visible, day and night can be used. Red and green signal lights, red light for positive; green light for negative. - 🚗【Extended Spring Wire】The car voltage tester is made of high quality shrinkage spring wire, the outer layer is PU leather with high tensile strength, the inner layer is copper wire with good electrical conductivity, the stretching length can reach 1.2 metres, it automatically recovers after stretching, it is small in size and very convenient to use and store. - 🚗【Integrated Needle Protective Cover】The car light tester is equipped with a sharp stainless steel probe, in order to avoid stabbing the user, a one-piece protective cover is designed to protect the user as well as prevent loss. Convenient combination of clip and probe, when using the pin, turn the clip to remove the probe. ## Technical Specifications | Specification | Value | |---------------|-------| | Product Dimensions | 15 x 10 x 3.5 cm; 90 g | | Manufacturer reference | DER-8I-78JN | | Assembly Required | No | | Batteries Required? | No | | Batteries Included? | No | | tech_spec_battery_description_toys | No batteries required | | Material Type(s) | Steel | | ASIN | B0CNYRJKKT | ## Images ![Auto LED Test Light, 5-30V Digital Display Fuse Tester, Heavy Duty Circuit Tester with Polarity Indicate, and Extended Spring Wire Car Repair Diagnostic Tool, Car Truck Low DC Voltage Light Tester - Image 1](https://m.media-amazon.com/images/I/61STml9FCIL.jpg) ## Frequently Bought Together - Auto LED Test Light, 5-30V Digital Display Fuse Tester, Heavy Duty Circuit Tester with Polarity Indicate, and Extended Spring Wire Car Repair Diagnostic Tool, Car Truck Low DC Voltage Light Tester - Clorox Liquid Bleach Original 3.78Litre - COMFORT Fabric Softener, Spring Dew, with freshness-burst technology for longer lasting fragrance & soft clothes, 3L --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/594569208-auto-led-test-light-5-30v-digital-display-fuse-tester](https://www.desertcart.pl/products/594569208-auto-led-test-light-5-30v-digital-display-fuse-tester) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-26*